Dyfyniad APA

ebrary, Inc, & Bus, J. (2012). Digital enlightenment yearbook 2012. IOS Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Jacques Bus. Digital Enlightenment Yearbook 2012. Washington, D.C.: IOS Press, 2012.

Dyfyniad MLA

ebrary, Inc, and Jacques Bus. Digital Enlightenment Yearbook 2012. IOS Press, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.